//
//  Methods.h
//  SYPerfectDemo
//
//  Created by Lssyyy on 2018/7/27.
//  Copyright © 2018年 Lssyyy. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Methods : NSObject
//sha256加密
+ (NSString *)hmac:(NSString *)plaintext withKey:(NSString *)key;
//闪烁动画
+ (CABasicAnimation *)opacityForever_Animation:(float)time;
@end
